A period of rising solar activity returned this week.
Ten new sunspot groups appeared this reporting week (February 2-8),
two on February 3, one each on February 4-5, four more on February
6, and two more on February 8.
On February 9, three more sunspot groups emerged.
Early on February 9 Spaceweather.com reported a large emerging
sunspot over our Sun's southeast horizon.
Average daily sunspot number ...
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Ten new sunspot groups appeared this reporting week (February 2-8),
two on February 3, one each on February 4-5, four more on February
6, and two more on February 8.
On February 9, three more sunspot groups emerged.
Early on February 9 Spaceweather.com reported a large emerging
sunspot over our Sun's southeast horizon.
Average daily sunspot number ...
Continue reading...